Apparatus for separating magnetic and non-magnetic materials from one another.



No. 709,992. I Patented Sept. 30.1902. 0 J. W. B. T. HEBERLE. APPARATUS FOR SEPARATING meugnc AND NON-MAGNETICMATEBIALS.

' FROM ONE ANOTHER.

(Application filed Dec. 28, 1 897.) (No Model.) 2 Sheets-She9t l THE Norms PEYERS ca, FHOTO-LITBELWASHINGTON. D. 124

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Patented Sept. 30, I902.

J W. B. T. HEBERLE. APPARATUS FOR SEPABATING MAGNETIC AND NON-MAGNETIC MATERIALS mom omz ANOTHER.

(Application filed Dec. 28, 1897.)

2 $heets-Shaat 2.

(No Modal.)

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UNITED STATES! PATENT OFFICE.

JOSEF IVILHELll/I RUDOLF THEODOR HEBERLE, OF SALA, SWEDEN.

APPARATUS FOR SEPARATING MAGNETIC AND NON-MAGNETIC MATERIALS FROM ONE ANOTHER.

SPECIFICATION forming part of Letters Patent No. 709,982, dated September 30, 1902.

Application filed December 28, 1897- Serlal No. 664,097. (No model.)

T aZZ whom it may concern: particles are carried by the Water fed with the Be it known that I, JOSEF WILHELM RU- crushed ore. The non-magnetic particles fall DOLF THEODOR HEBERLE, a subject of the straight down into the receiver m, whence King of Sweden and Norway, and a resident they are carried by the water through the risof Sala, Sweden, have invented a new and 'ing-pipen.

useful Improvement in Apparatus for Sepa- In orderthat the crushed ore may be exposed rating Magnetic and Non-Magnetic Materials to the action of the magnetic field for long from one Another, (for which I have obtained enough time to allow the magnetic particles to Letters Patent in Sweden, No. 7,227, dated be attracted to the belt, the velocity of their I0 May 15,1895,) of which the followingis aspecifall maybe regulated by Changing the amount fication, reference being had to the drawings of water fed in, so that the water in the chanaccompanyingandformingapart of the same. nel will have either a retarding or accelerat- The invention refers to an improvementin ing effect, as the case may be. Forinstance, such apparatus where the mingled magnetic when, the grains of the ore are comparatively I5 and non-magnetic materials are allowed to large the water should have an upward movefall in water through one or more magnetic ment, so as 10 retard the fall of the ore. This fields. can be accomplished by feeding in so much The object of the invention is to obtain a more water than is able to run out through more effectual separation, especially when the pipes Z and n that what must run off at 20 the mingled substance is very finelyground the upper end of the channel 71 will cause the or contains particles, such asmica particles, necessary retardation; At the same time as which do not fall verticallyi I attain this obthe magnetic particles are separated from the ject by the apparatus hereinafter described non-magnetic the latter may be separated and claimed. into a finer and coarser kind by feeding in 25 In the accompanying drawings, in which more water with the ore than will run off 75 similar letters of reference indicate correthrough the outlets Z and n. The finer nonsponding parts in the figures, Figure lshows magnetic particles will follow the water a vertical section of an apparatus suitable to around the partition g, up the channel r, and be used for carrying out my invention, and run oif at 19, while the coarser particles will 0 Fig. 2 shows a modification thereof. fall down at m;

Referring to the drawings, the magnetic The magnets inclosed in the drum may be field consists of a number of magnets'c c c, dispensed with by extending the partition 1 placed inside a water-tight casingaand a'roso far up alongside the downward-traveling tating drum d. Across the magnetic poles part of the beltf that the particles adhering 35 runs on the said drum d andapulley e asuitto the belt'will fall into the receptacle it when able endless belt f, of rubber, canvas, or the leaving the belt. In that case the upper part like, in such a manner that it may be moved of the said partition may be adjustable, so as past the magnet-poles by power applied to to be set more or less close to the belt, as may the pulley g. From the feed-channel the ore be desired.

40 falls down into the vertical channel h, which I am aware that it is not new to cause the is filled with water or other suitable liquid. ore to fall in moving water in a magnetic During the descent. throughthe said channel field, and I do not claim this broadly. the magnetic particles of the ore are attracted What I claim as my invention is to the said belt f by the magnetic poles at the The combination, of an endless belt travel- 115 other side of the same. The magnetic partiing over pulleys in such a manner that one of 5 cles are attracted to. and accompany the belt its free sides moves downward vertically, a below the lower drum or pulley d until they system of magnets inside said belt, a tank in leave the magnet-poles and fall down into the which said belts and magnets are immersed, receiver 75. Said receiver 7c is provided with a vertical partition between the downward- 50 a rising-pipe Z, through which the magnetic moving part of the belt and the wall of said tank, another partition extending from the l ence of two witnesses, this 10th day of Debottom of the tank and the lowerpulleyelose ceinber, 1897. to the same, and inlets and outlets for the JOSEF WILHELM RUDOLF Water from said tank, substantially as and 'lllllODOR IIEBERLE. 5 for the purpose set forLh. I Witnesses:

In testimony that I claim the foregoing as H. ()S'IBERG,

my invention I have signed my name, in pi'es- A. DAHL. 

